abortion 流产
Abortion 流产
I Definition Abortion is termination of pregnancy before 28 weeks of gestation and nd the fetal weight is less tan 1000 a Abortion: spontaneous: 10%0-18% artificial I The early abortion: occurs before 12w The late abortion: occurs after 12w
Ⅰ. Definition ◼ Abortion is termination of pregnancy before 28 weeks of gestation and the fetal weight is less tan 1000g. ◼ Abortion : spontaneous: 10%~18% artificial ◼ The early abortion: occurs before 12w ◼ The late abortion: occurs after 12w
2.Etiology -(1)Heredity factors Abnomalities of chromosomesis the commonest cause of Spontaneous abortion Early abortion 50%0-60%o is caused by chromosomal abnormalities
2.Etiology ◼ (1)Heredity factors Abnomalities of chromosomesis the commonest cause of Spontaneous abortion. Early abortion 50%~60% is caused by chromosomal abnormalities
(2)Maternal factors ① )the general diseases ② endocrine disorder
(2)Maternal factors ◼ ①the general diseases ◼ ②endocrine disorder
③ the genital disease A uterine deformity a B pelvic tumor(myoma, ovarian tumor aC cervical incompetence. laceration abdominal operation during the pregnancy
◼ ③the genital disease ◼ A.uterine deformity ◼ B.pelvic tumor(myoma, ovarian tumor) ◼ C.cervical incompetence, laceration ◼ ④abdominal operation during the pregnancy